ACETAMIDINIUM CHLORIDE
Acetamidine hydrochloride
CAS: 124-42-5
Molecular Formula: C2H7ClN2
ACETAMIDINIUM CHLORIDE - Names and Identifiers
| Name | Acetamidine hydrochloride |
| Synonyms | Acetamidine Acetamidine HCl (1E)-ethanimidamide ACETAMIDINIUM CHLORIDE acetamidinium chloride ACEDIAMINE HYDROCHLORIDE ACECAMIDINE HYDROCHLORIDE Acetamidine hydrochloride Ethylamidinehydrochloride Ethaneamidinehydrochloride Acetalmidine hydrochioride Ethanimidamide hydrochloride ethanimidamide,monohydrochloride |
| CAS | 124-42-5 |
| EINECS | 204-700-9 |
| InChI | InChI=1/C2H6N2/c1-2(3)4/h1H3,(H3,3,4) |
| InChIKey | WCQOBLXWLRDEQA-UHFFFAOYSA-N |
ACETAMIDINIUM CHLORIDE - Physico-chemical Properties
| Molecular Formula | C2H7ClN2 |
| Molar Mass | 94.54 |
| Density | 1.0596 (rough estimate) |
| Melting Point | 165-170°C(lit.) |
| Boling Point | 129.78°C (rough estimate) |
| Water Solubility | 1 g/mL |
| Vapor Presure | 176mmHg at 25°C |
| Appearance | White crystal |
| Color | White to cream |
| Merck | 14,44 |
| BRN | 3591762 |
| pKa | pK1: 1.60(+1) (25°C) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Hygroscopic |
| Refractive Index | 1.5500 (estimate) |
| MDL | MFCD00013016 |
| Physical and Chemical Properties | Character: White long prism-like crystal, easy to deliquescence, with abnormal odor. soluble in water, insoluble in acetone and ether. |
| Use | An important intermediate for the synthesis of vitamin B1, the basic raw materials for organic synthesis |
ACETAMIDINIUM CHLORIDE - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R36/38 - Irritating to eyes and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3 |
| TSCA | Yes |
| HS Code | 29252000 |
ACETAMIDINIUM CHLORIDE - Upstream Downstream Industry
| Raw Materials | Methyl alcohol Methyl alcohol Chlorosulfonic acid Chlorosulfonic acid Ammonia Acetonitrile Acetonitrile Phosphoric acid Phosphoric acid |
ACETAMIDINIUM CHLORIDE - Nature
Open Data Verified Data
White long prism-like crystals, easy to deliquescence, there are odor. Soluble in water, in acetone, ether insoluble.
Last Update：2024-01-02 23:10:35
ACETAMIDINIUM CHLORIDE - Preparation Method
Open Data Verified Data
with acetonitrile, hydrochloric acid and methanol as raw materials, by addition, ammoniation and. First, 45% hydrogen chloride methanol solution was prepared in the turbulent ball column, and then put into the reaction tank. After stirring and cooling, acetonitrile was added at 8~11 ℃, and at 15~20 ℃, the mixture was incubated for 6 hours to obtain ether. Then add ammonia methanol solution, after stirring, the reaction, the pH value is always maintained in the range of 7~8, after cooling, by centrifugal separation, filtering out ammonium chloride, the filtrate was concentrated and centrifuged to obtain a finished product.
Last Update：2022-01-01 10:37:31
ACETAMIDINIUM CHLORIDE - Introduction
Solubility in water: 1G/ML, soluble in alcohol, insoluble in acetone and ether. When added to the lye, it will free precipitate acetamidine, which is strongly alkaline, and it will be decomposed into ammonia and acetic acid by micro heating.
Last Update：2022-10-16 17:12:56
ACETAMIDINIUM CHLORIDE - Application
Open Data Verified Data
used as a pharmaceutical intermediate to produce vitamin B1.
Last Update：2025-08-19 16:24:40
ACETAMIDINIUM CHLORIDE - Safety
Open Data Verified Data
This product is packed with polyethylene film bag, each 25kg.
Last Update：2022-01-01 10:37:31
ACETAMIDINIUM CHLORIDE - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | acetamidine hydrochloride is needle-like or prismatic crystal obtained from ethanol with a melting point of 177~178 ℃. Soluble in water and ethanol, insoluble in acetone, ether and benzene. When its salt meets alkali, it produces acetamidine (acetamidine reacts alkaline), and its aqueous solution can be decomposed into ammonia and acetic acid when heated, and should be stored in a cold place. |
| use | acetamidine hydrochloride is the main raw material for the production of vitamin B1 and an important monomer in organic synthesis. It is an important intermediate for the synthesis of vitamin B1, and it is also used as a raw material for organic synthesis Acetamidine hydrochloride is an intermediate of the organophosphorus rodenticide and brominated rodentiophos. It is also an intermediate of vitamin B1 in medicine. Mainly used as an intermediate raw material for vitamin B1, and can also be used as a basic raw material for organic synthesis. An important intermediate for the synthesis of vitamin B1, the basic raw material for organic synthesis Acetamidine hydrochloride is a pharmaceutical intermediate used to produce vitamin B1. It is an intermediate of rodenticide used for the production of pharmaceutical vitamin B1, used as a basic raw material for the synthesis of imidazole, pyrimidine, and triazine antibiotics, and also used for the synthesis of vitamin B1 |
| Production method | The preparation method is obtained by addition and ammoniation of acetonitrile, hydrochloric acid and methanol. The methanol is circulated in the turbulent ball tower, and dry hydrogen chloride is introduced under cooling to make a 45% hydrogen chloride methanol solution. Then put into the reaction tank, stir and cool to 5~10 ℃, add acetonitrile dropwise, and keep the temperature at 15~20 ℃ for 6 h to obtain iminomethyl ether hydrochloride. Put it into the pre-prepared 13% ammonia methanol solution, ammonolysis at 0~40 ℃, keep pH = 7~8, stir for 2~3 hours, cool to below 30 ℃, centrifuge to filter out ammonium chloride. The filtrate recovers methanol and cools and filters to obtain the finished product. It is obtained by addition and ammoniation of acetonitrile, hydrochloric acid and methanol. The methanol is circulated in the turbulent ball tower at a pressure of less than 26.6kPa, and dry hydrogen chloride is introduced under cooling to prepare a hydrogen chloride methanol solution with a concentration of 45%. Then put it into a reaction tank, stir and cool to 10-5 ℃, add acetonitrile dropwise, and keep the temperature at 15-20 ℃ for 6 hours to obtain iminyl methyl ether hydrochloride. Put it into the pre-prepared 13% ammonia methanol solution, ammonolysis at 0-40 ℃, keep the pH value of 7-8, stir for 2-3h, cool to below 30 ℃, centrifugally separate and filter out ammonium chloride. The filtrate recovers methanol and cools and filters to obtain the finished product. Weight feed ratio: acetonitrile: hydrogen chloride methanol solution (45%): ammonia: methanol = 1:3:1.05:4.3. Yield 82%-85%. |
Last Update：2024-04-09 02:00:06
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Raw Materials for ACETAMIDINIUM CHLORIDE